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Subject: Re: One mate to solve.

Author: leonid

Date: 18:49:31 07/27/02

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On July 27, 2002 at 17:15:14, John Merlino wrote:

>On July 27, 2002 at 08:53:52, leonid wrote:
>
>>Hi,
>>
>>If You will find this position too easy, it is for reason. I tried to choose
>>easiest selective search possible.
>>
>>If You like big fight then You can solve it by brute force. Solution will be
>>never instant.
>>
>>[D]1Q1n2qk/Q1n1BbN1/2R1q1Q1/1R3Brr/p3q2Q/Q3Q2K/1qPbp1Q1/q4N2 w - -
>>
>>Please indicate Your result.
>>
>>Thanks,
>>Leonid.
>
>Chessmaster 9000 says Mate in 13 in 13 seconds, then switches to Mate in 12
>after 28 seconds:

Thanks! This could probably confim that this position is mate in 12. Still I
will try to make search for 11 moves by brute force at night.

Cheers,
Leonid.

>Time	Depth	Score	Positions	Moves
>0:00	1/3	28.41	20168		1.Qh6+ Rxh6 2.Qxh6+ Qxh6+ 3.Rxh6+
>					Qh7 4.Rxh7+ Kg8 5.Qxd8+ Ne8 6.Qexe4
>					Qbxa3+ 7.Bxa3 Qxa3+ 8.Rb3 Qxb3+
>					9.cxb3 e1=Q 10.Qxe1 Bxe1
>0:02	1/4	28.41	116185		1.Qh6+ Qxh6 2.Rxh6+ Qh7 3.Rxh7+
>					Kg8 4.Qxd8+ Ne8 5.Qexe4 Rxh4+ 6.Qxh4
>					Qaxa3+ 7.Bxa3 Qxa3+ 8.Rb3 Qxb3+
>					9.cxb3 e1=Q 10.Qxe1 Bxe1
>0:06	1/5	32.37	341081		1.Qh6+ Qxh6 2.Rxh6+ Qh7 3.Rxh7+
>					Kg8 4.Qxd8+ Ne8 5.Qxe8+ Bxe8 6.Be6+
>					Kxh7 7.Qexe4+ Kh8 8.Nxh5
>0:13	1/6	Mate13	871413		1.Qh6+ Rxh6 2.Qxh6+ Qxh6+ 3.Rxh6+
>					Qh7 4.Rxh7+ Kg8 5.Qxd8+ Ne8 6.Qxe8+
>					Bxe8 7.Be6+ Kxh7 8.Qexe4+ Bg6 9.Qh4+
>					Rh5 10.Rxh5+ Bxh5 11.Qxh5+ Bh6
>					12.Qd3+ Kh8 13.Qxh6#
>0:28	1/7	Mate12	2033918		1.Qh6+ Rxh6 2.Qxh6+ Qxh6+ 3.Rxh6+
>					Qh7 4.Rxh7+ Kg8 5.Qxd8+ Ne8 6.Qxe8+
>					Bxe8 7.Be6+ Kxh7 8.Qexe4+ Bg6 9.Qh4+
>					Rh5 10.Qxg6+ Kxg6 11.Qxh5+ Kxg7
>					12.Bg5#
>1:31	1/8	Mate12	7150822		1.Qh6+ Rxh6 2.Qxh6+ Qxh6+ 3.Rxh6+
>					Qh7 4.Rxh7+ Kg8 5.Qxd8+ Ne8 6.Qxe8+
>					Bxe8 7.Be6+ Kxh7 8.Qexe4+ Bg6 9.Qh4+
>					Rh5 10.Qxg6+ Kxg6 11.Qxh5+ Kxg7
>					12.Bg5#
>
>jm



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